@charset "utf-8";
$fontSize:40;
@function r($p){
    @return $p/$fontSize*1rem;
}
section{
    position: relative;
    overflow: hidden;
    background: #f5f5f5;
}
//战略首页
.index{
    background: url(../img/strategy_bg.jpg);
    background-size: cover;
    position: relative;
    height: 100%;
    overflow: hidden;
}
.index_cont{
    margin-top: 20%;
}
.index_tit{
    position: relative;
    color: #B60005;
    font-size: r(60);
    text-align: center;
    margin-bottom: r(105);
    letter-spacing: 5px;
    font-weight: bold;
    i{
        font-size: r(20);
        padding: 0 10px;
        vertical-align: middle;
    }
}
.tit_line{
    width: 1px;
    height: r(66);
    background: #B60005;
    transform: rotate(30deg);
    position: absolute;
    top: 8px;
    left: 49.5%;
}
.index_item{
    width: r(518);
    height: r(66);
    display: table;
    margin: 0 auto r(59);
    border-radius: 40px;
    box-sizing: border-box;
    background: #e3e3e3;
    position: relative;
    p{
        color: #1f1f1f;
        font-size: 16px;
        display: inline-block;
        line-height: r(66);
        padding-left: 45px;
    }
}
.item_circle{
    width: 16px;
    height: 16px;
    border: 1px solid #b30404;
    border-radius: 50%;
    background: white;
    display: inline-block;
    line-height: r(56);
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto 15px;
}
.down_arrow{
    width: 100%;
    position: absolute;
    bottom: 20px;
    text-align: center;
    -webkit-animation-duration: 1s;
    animation-duration: 1s;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
    -webkit-animation-name: slideInDown;
    animation-name: slideInDown;
    -webkit-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    i{
        color: #afb0b0;
        font-size: 30px;
    }
}
//第一页
.page_one{
    background: #f5f5f5;
    position: relative;
    height: 100%;
    overflow: hidden;
    >p{
        color: #1f1f1f;
        text-align: center;
        margin-top: 20px;
        font-size: 14px;
    }
}
.circle_cont{
    width: r(374);
    margin: 0 auto 20px;
    display: flex;
    justify-content: space-between;
}
div[class="circle_cont"]:first-child{
    margin-top: 5%;
}
.circle_single{
    >p{
        margin-top: 5px;
        text-align: center;
        font-size: 14px;
        color: #b60005;
    }
}
.circle_img{
    width: r(146);
    height: r(146);
    background: white;
    border-radius: 50%;
    text-align: center;
    line-height: r(178);
    img{
        width: r(65);
    }
}
//第三页
.page_three{
    background: #f5f5f5;
    position: relative;
    height: 100%;
    overflow: hidden;
}
.three_cont{
    margin-top: 30%;
    img{
        width: 100%;
    }
}
//第四页
.page_four{
    background: #f5f5f5;
    position: relative;
    height: 100%;
    overflow: hidden;
    >p{
        font-size: 14px;
        text-align: center;
        margin-top: 20px;
        color: #1F1F1F;
    }
}
.four_cont{
    img{
        width: 100%;
    }
}
//动画
.nextpage{
//  opacity: 0;
    -webkit-animation-duration: 1s;
    animation-duration: 1s;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
    opacity: 0;
    position: absolute;
    width: 100%;
    top: 0;
    bottom: 0;
    
}

@-webkit-keyframes fadeInUp {
  from {
    opacity: 0;
    -webkit-transform: translate3d(0, 100%, 0);
    transform: translate3d(0, 100%, 0);
  }

  to {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    -webkit-transform: translate3d(0, 100%, 0);
    transform: translate3d(0, 100%, 0);
  }

  to {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}

@-webkit-keyframes fadeOutUp {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
    -webkit-transform: translate3d(0, -100%, 0);
    transform: translate3d(0, -100%, 0);
  }
}

@keyframes fadeOutUp {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
    -webkit-transform: translate3d(0, -100%, 0);
    transform: translate3d(0, -100%, 0);
  }
}
@-webkit-keyframes fadeInDown {
  from {
    opacity: 0;
    -webkit-transform: translate3d(0, -100%, 0);
    transform: translate3d(0, -100%, 0);
  }

  to {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    -webkit-transform: translate3d(0, -100%, 0);
    transform: translate3d(0, -100%, 0);
  }

  to {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
@-webkit-keyframes fadeOutDown {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
    -webkit-transform: translate3d(0, 100%, 0);
    transform: translate3d(0, 100%, 0);
  }
}

@keyframes fadeOutDown {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
    -webkit-transform: translate3d(0, 100%, 0);
    transform: translate3d(0, 100%, 0);
  }
}
@-webkit-keyframes slideInDown {
  from {
    -webkit-transform: translate3d(0, -100%, 0);
    transform: translate3d(0, -100%, 0);
    visibility: visible;
  }

  to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}

@keyframes slideInDown {
  from {
    -webkit-transform: translate3d(0, -100%, 0);
    transform: translate3d(0, -100%, 0);
    visibility: visible;
  }

  to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}

//底部项目颜色
div[class="foot_item"]:nth-child(2){
    color: #b60207;
}